\begin{tikzpicture}
    \tkzDefPoints{0/0/A, 0.7/1.8/C, 1.7/1/O}
    \tkzDefPointOnLine[pos=2](A,O)  \tkzGetPoint{B}
    \tkzDefPointOnLine[pos=2](C,O)  \tkzGetPoint{D}

    \tkzDrawPolygon(A,O,C)
    \tkzDrawPolygon(B,O,D)
    \tkzMarkAngles[arc=l,  size=0.4](B,A,C)
    \tkzMarkAngles[arc=ll, size=0.4](A,C,D)
    \tkzMarkAngles[arc=l,  size=0.4](A,B,D)
    \tkzMarkAngles[arc=ll, size=0.4](B,D,C)
    \tkzLabelPoints[above](C,B)
    \tkzLabelPoints[below](A,O,D)
\end{tikzpicture}

